Global Patent Index - EP 1965156 B1

EP 1965156 B1 20200408 - Air conditioning device equipped with an electric expansion valve

Title (en)

Air conditioning device equipped with an electric expansion valve

Title (de)

Klimaanlage mit elektrischem Entspannungsventil

Title (fr)

Installation de climatisation équipée d'une vanne de détente électrique

Publication

EP 1965156 B1 20200408 (FR)

Application

EP 08100554 A 20080116

Priority

FR 0701445 A 20070228

Abstract (en)

[origin: EP1965156A1] The installation (100) has an air conditioning circuit (10) with an electric expansion valve (12). A control unit (40) controls a control signal of the valve to regulate a control magnitude relative to overheating of an evaporator (13) or cooling of a condenser/gas cooler (11) based on a regulation law e.g. proportional-integral-derivative regulation. The magnitude relative to overheating corresponds to a difference between two temperature measurements corresponding to a temperature of fluid e.g. R-134a fluid, taken at the level of an inlet and an outlet of the evaporator. An independent claim is also included for a method for regulating an air conditioning circuit.

IPC 8 full level

F25B 41/06 (2006.01); F25B 49/02 (2006.01)

CPC (source: EP US)

F25B 41/34 (2021.01 - EP US); F25B 49/022 (2013.01 - EP US); F25B 2341/063 (2013.01 - EP US); F25B 2600/17 (2013.01 - EP US); F25B 2700/21172 (2013.01 - EP US); F25B 2700/21173 (2013.01 - EP US); Y02B 30/70 (2013.01 - EP US)

Citation (examination)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1965156 A1 20080903; EP 1965156 B1 20200408; FR 2913102 A1 20080829; FR 2913102 B1 20121116; JP 2008213830 A 20080918; JP 5543689 B2 20140709; US 2008229770 A1 20080925; US 9341398 B2 20160517

DOCDB simple family (application)

EP 08100554 A 20080116; FR 0701445 A 20070228; JP 2008047991 A 20080228; US 3884808 A 20080228